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Two-wavelength spatial-heterodyne holography

United States Patent

December 25, 2007
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
Systems and methods are described for obtaining two-wavelength differential-phase holograms. A method includes determining a difference between a filtered analyzed recorded first spatially heterodyne hologram phase and a filtered analyzed recorded second spatially-heterodyned hologram phase.
Hanson; Gregory R. (Clinton, TN), Bingham; Philip R. (Knoxville, TN), Simpson; John T. (Knoxville, TN), Karnowski; Thomas P. (Knoxville, TN), Voelkl; Edgar (Austin, TX)
UT-Battelle LLC (Oak Ridge, TN)
10/ 421,444
April 23, 2003
This invention was made with United States Government support under prime contract No. DE-AC05-00OR22725 to UT-Battelle, L.L.C. awarded by the Department of Energy. The Government has certain rights in this invention.